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Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2023 | Dec. 31, 2022
Property, Plant and Equipment |  |
Investment securities portfolio as percentage of total assets | 5.40% |
Increase to allowance for credit losses | $ 25,988 |
Reserve for unfunded credit commitments | 24,675 | $ 24,192
Retained earnings | $ 173,823 | 156,958
Accounting Standards Update No. 2016-13 | Cumulative effect, period of adjustment |  |
Property, Plant and Equipment |  |
Increase to allowance for credit losses |  | 800
Reserve for unfunded credit commitments |  | 100
Retained earnings |  | $ (600)

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